75
Step 4 Solder pins of the switching regulator IC (IC2903) on the
solder side of SMPS P.C.B.
Step 5 Solder pins of the heatsink extrusion on the solder side
of SMPS P.C.B.
Caution: Ensure pins of the switching regulator IC (IC2903)
are properly seated and soldered on SMPS P.C.B.
9.22. Replacement of Switching Reg-
ulator IC (IC5701)
9.22.1.
Disassembly of Switching Regula-
tor IC (IC5701)
• Follow (Step 1) to (Step 3) of Item 9.3.
• Follow (Step 1) to (Step 11) of Item 9.6.
• Follow (Step 11) to (Step12) of Item 9.13.
• Follow (Step 1) to (Step 9) of Item 9.20.
Step 1 Desolder pins of the switching regulator IC (IC5701) on
the solder side of SMPS P.C.B.
Step 2 Remove 1 screw from the switching regulator IC
(IC5701).
Step 3 Remove the switching regulator IC (IC5701) from the
heatsink unit B.
Caution: Handle the heatsink unit B with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of SMPS P.C.B. (Item 18.5.) for
location of the part.
9.22.2.
Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply grease to the heatsink unit B.
Caution: Ensure pins of the switching regulator IC (IC5701)
are properly seated and soldered on SMPS P.C.B.
Step 2 Mount the switching regulator IC (IC5701) to the SMPS
P.C.B.
Step 3 Fix and screw the switching regulator IC (IC5701) to the
heatsink unit B.
Содержание SA-PT875GA
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